Alternative to 43R1991: Better-Value Equivalents in Stock
Comparing the 43R1991 (43R1991 - Lenovo 750 GB Internal Hard Drive - SATA/300 - 7200 rpm - 32 MB Buffer - Hot Swappable) against alternatives? Pro Disk Network stocks 12 similar IBM parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the 43R1991
| SKU | 43R1991 |
|---|---|
| Product | 43R1991 - Lenovo 750 GB Internal Hard Drive - SATA/300 - 7200 rpm - 32 MB Buffer - Hot Swappable |
| Current price | $525.96 |
| Stock status | In Stock |
| Detail page | View 43R1991 › |
Alternatives to 43R1991
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
1814-4615 - IBM 750 GB Internal Hard Drive - 1 Pack - SATA/300 - 7200 rpm - Hot Swappable
SKU: 1814-4615
Price: $392.99
41Y8222 - IBM 750 GB 3.5 Internal Hard Drive - SATA/300 - 7200 rpm - Hot Swappable
SKU: 41Y8222
Price: $805.88
43W7754 - IBM 250 GB 3.5 Internal Hard Drive - SATA/300 - 7200 rpm - Hot Swappable
SKU: 43W7754
Price: $301.87
42D0737 - IBM 160 GB 2.5 Internal Hard Drive - SATA/300 - 7200 rpm - Hot Swappable
SKU: 42D0737
Price: $411.97
30R5093 - IBM 80 GB Internal Hard Drive - SATA/150 - 7200 rpm - Hot Swappable
SKU: 30R5093
Price: $259.50
41Y8200 - IBM 80 GB 3.5 Internal Hard Drive - SATA/150 - 7200 rpm - 8 MB Buffer
SKU: 41Y8200
Price: $259.50
81Y9742 - IBM 1 TB 2.5 Internal Hard Drive - Retail - SATA/600 - 7200 rpm
SKU: 81Y9742
Price: $1,022.93
03T8039 - IBM Lenovo Quadro NVS 300 512MB DDR3 SDRAM Quadro 300 Graphic Card for ThinkStation E31 (type 2551 2552 2553 2554 2555) (Tower form Factor)
SKU: 03T8039
Price: $410.41
22P7157 - IBM 40 GB 3.5 Internal Hard Drive - 1 Pack - IDE Ultra ATA/100 (ATA-6) - 7200 rpm - 2 MB Buffer
SKU: 22P7157
Price: $165.79
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.